frequency analysis technique meaning in Chinese
频率分析技术
Examples
- The fh signal is a kind of non - stationary signal that the frequency changes non - linearly along with the time . however , the time - frequency analysis technique is the powerful tool to deal with these signals
跳频信号是一种频率随时间非线性变化的非平稳信号,而时-频分析是分析这类信号的有力工具。 - Fh signals are time - variant and non - stationary signals , while time - frequency analysis is a powerful tool to analyze this kind of signals . so how to deal with fh signals using time - frequency analysis technique is a important aspect in the research fields of fh surveillance algorithms
由于跳频信号的时变特性以及时频分析技术在分析时变非平稳信号方面的强大功能，因此，如何应用时频分析技术来处理跳频通信信号，是目前跳频信号侦收算法研究领域的一大方向。 - In order to analyze the fluid dynamic characteristic in seawater pipeline system , the test device of fluid dynamic characteristic in seawater pipeline system is set up . in this experiment , the velocity of pressure wave propagation is measured by frequency analysis technique and the measured result is reliable . according to the frequency analysis technique and a basic theory of linear transfer matrix , the pulsation pressure value in pipeline is predicted by the measured values from four pressure transducers
为了分析海水管路系统内流体的动态特性，建立了海水管路系统流体动态特性实验台架；在实验中利用谱分析技术对压力波传递速度进行了测量，测量结果可信；并利用谱分析技术及线性传递矩阵基本理论，通过多个压力传感器的测量值预测了管路中的脉动压力值，实验结果与理论计算之间吻合很好；分析了流体动态特性实验台架本身的自循环特性对海水管路系统中脉动压力测量的影响。